As user pi I did below & crontab for PI started working. sudo service cron restart my crontab pi@raspberrypi ~/.tre $ crontab -l 37 20 * * * rm /home/pi/tre/test 16 4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22 * * * /home/pi/tre/tre.pl > /home/pi/tre/tre.out $ vi /etc/rsyslog.conf and uncommen...